Analysis
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max time kernel
147s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:08
Behavioral task
behavioral1
Sample
utente_5372.xls
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
utente_5372.xls
Resource
win10v2004-20220414-en
General
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Target
utente_5372.xls
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Size
182KB
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MD5
d2dd670679bf058c5f1d54698c06a1ae
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SHA1
78da270912f7caf709bfe33b7b11f26c0b1c8b32
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SHA256
a5b085ab8fb0c399b94ee37ecd7770c3c54b41f5f3c430da6fae572c6c39f7bd
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SHA512
fdc6a3fddf55efe011fc7f6bb839ca43db9c521b91cb87ce7d95473938f23eda7543e07c3240cb42f90223f28e725ddf844a7f87077372d87a7dad44494c2f20
Malware Config
Extracted
http://link.rolandchase.com/setup.exe
Signatures
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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
EXCEL.EXEdescription ioc process File opened (read-only) \??\W: EXCEL.EXE File opened (read-only) \??\Z: EXCEL.EXE File opened (read-only) \??\F: EXCEL.EXE File opened (read-only) \??\H: EXCEL.EXE File opened (read-only) \??\K: EXCEL.EXE File opened (read-only) \??\P: EXCEL.EXE File opened (read-only) \??\R: EXCEL.EXE File opened (read-only) \??\S: EXCEL.EXE File opened (read-only) \??\E: EXCEL.EXE File opened (read-only) \??\L: EXCEL.EXE File opened (read-only) \??\O: EXCEL.EXE File opened (read-only) \??\U: EXCEL.EXE File opened (read-only) \??\A: EXCEL.EXE File opened (read-only) \??\G: EXCEL.EXE File opened (read-only) \??\Q: EXCEL.EXE File opened (read-only) \??\T: EXCEL.EXE File opened (read-only) \??\Y: EXCEL.EXE File opened (read-only) \??\X: EXCEL.EXE File opened (read-only) \??\B: EXCEL.EXE File opened (read-only) \??\I: EXCEL.EXE File opened (read-only) \??\J: EXCEL.EXE File opened (read-only) \??\M: EXCEL.EXE File opened (read-only) \??\N: EXCEL.EXE File opened (read-only) \??\V: EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4200 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE 4200 EXCEL.EXE
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\utente_5372.xls"1⤵
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4200-131-0x00007FF98B430000-0x00007FF98B440000-memory.dmpFilesize
64KB
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memory/4200-132-0x00007FF98B430000-0x00007FF98B440000-memory.dmpFilesize
64KB
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memory/4200-133-0x00007FF98B430000-0x00007FF98B440000-memory.dmpFilesize
64KB
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memory/4200-134-0x00007FF98B430000-0x00007FF98B440000-memory.dmpFilesize
64KB
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memory/4200-135-0x00007FF98B430000-0x00007FF98B440000-memory.dmpFilesize
64KB
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memory/4200-136-0x00007FF988C60000-0x00007FF988C70000-memory.dmpFilesize
64KB
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memory/4200-137-0x00007FF988C60000-0x00007FF988C70000-memory.dmpFilesize
64KB